Summary
An improved procedure for the HPLC determination of C1−C3 aldehydes in environmental samples is described. These air pollutants are quantitatively collected on annular denuders coated with 2,4-Dinitrophenylhydrazine and analyzed as hydrazone derivatives by HPLC with UV absorbance and voltammetric detection. Collection efficiencies of aldehydes are reported and compared with other available methods. Practical examples of the application of the method are given.
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Dedicated to Prof. Dr. A. Liberti on the occasion of his 70th birthday.
This work has been part of the “Dottorato di Ricerca” program carried out at the University of Rome.
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Possanzini, M., Ciccioli, P., Di Palo, V. et al. Determination of low boiling aldehydes in air and exhaust gases by using annular denuders combined with HPLC techniques. Chromatographia 23, 829–834 (1987). https://doi.org/10.1007/BF02311408
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DOI: https://doi.org/10.1007/BF02311408